leetcode_rust/
move_zeroes.rs

1#![allow(dead_code)]
2
3pub fn move_zeroes(nums: &mut Vec<i32>) {
4    let mut i = 0;
5    let mut j = 0;
6    while i < nums.len() {
7        if nums[i] != 0 {
8            nums.swap(i, j);
9            j += 1;
10        }
11        i += 1;
12    }
13}
14
15#[cfg(test)]
16mod tests {
17    use super::*;
18
19    #[test]
20    fn test1() {
21        let mut nums = vec![0, 1, 0, 3, 12];
22        move_zeroes(&mut nums);
23        assert_eq!(nums, vec![1, 3, 12, 0, 0]);
24
25        let mut nums = vec![1];
26        move_zeroes(&mut nums);
27        assert_eq!(nums, vec![1]);
28
29        let mut nums = vec![1, 0];
30        move_zeroes(&mut nums);
31        assert_eq!(nums, vec![1, 0]);
32
33        let mut nums = vec![2, 1];
34        move_zeroes(&mut nums);
35        assert_eq!(nums, vec![2, 1]);
36    }
37}
leetcode_rust/move_zeroes.rs

leetcode_rust/
move_zeroes.rs
